Pollution

Air pollution is the presence of abnormal concentration and abnormal constituents in air. We know that Fresh air is needed for a healthy life. That is why people go out for morning walks so that they can breathe as much fresh air as possible. But the quality of the air has been deteriorating in urban areas. It is being polluted by smoke, harmful gasses, dust articles and other matters.
        The burning of petrol and diesel in running vehicles emits carbon monoxide, sulphur dioxide and unburnt hydrocarbon particles. These pollutants are released in the air breathe. They are very harmful for out health.
        The burning of various fuels in factories and power plants emit carbon monoxide carbon dioxide and other poisonous gases that are left off in the atmosphere. Yet without burning fuel, the production of goods in industries is not possible. So the growth of industrial production is at the cost of polluting air.
        Various chemical industries such as those manufacturing acids, plastics, dyes and paint, paper, pesticides, petrochemical emit hazardous fumes and gases such as sulphur dioxide, nitrogen oxides, hydrocarbons and fluorocarbons.
        Industrial dust also causes air pollution. Dust coming out from the cement kilns, lime kilns, stone crushing and asbestos factories are the main causes of breathing problems and lung diseases in our country.
        Smoking of cigarettes and bedis is very injurious to health. It causes heart diseases, various respiratory problems and cancer. Tobacco smoke is a pollutant particularly in closed spaces such as buses, trains, cinema halls and restaurants. Smoke emitted by a smoker but inhaled by a non-smoker is known as secondary or they are in the vicinity of a smoker. That is why smoking is banned in public places.
        Air pollution affects the health of people adversely. The presence of carbon monoxide in the air we breathe causes headache nausea and suffocation. Various other respiratory diseases...